单项选择题
A.pelican hook B.connecting link C.shackle D.retaining hook
The lashings of a stack of containers with interlocking...
单项选择题The lashings of a stack of containers with interlocking fittings restrain the forces that cause（）.
A.toppling B.racking C.buckling D.crushing
The securing systems for containers were developed to p...
单项选择题The securing systems for containers were developed to prevent container movement during which ship motion?（）.
A.Surge B.Roll C.Sway D.Yaw
What is NOT a securing system used on a containership?（...
单项选择题What is NOT a securing system used on a containership?（）.
A.Lashing system B.Stacking system C.Locking system D.Buttress system
